Bost Development has been established in 2004 specialized in automotive parts market of batteries, Tires and Oil&Lubricants for over 15 years and have had an excellent reputation for quality.[MAINTENANCE FREE BATTERY]Our batteries were developed especially for automobiles with higher demand of energy using. Other words, in the standard battery case were added specially plates which are significantly increase battery capacity and cranking amps. Advanced technologies used in manufacturing process of BOST batteries provide an excellent energy and extra high security.[PRODUCT DESCRIPTION]*Full Maintenance free battery*Absolute security and consistent cranking amps*Long-lasting operational lifetime and increased battery durability*Wide specification range*Fully operated by Korean engineers